[dm-devel] slab: introduce the flag SLAB_MINIMIZE_WASTE
Mikulas Patocka
mpatocka at redhat.com
Mon Apr 16 21:04:12 UTC 2018
On Mon, 16 Apr 2018, Vlastimil Babka wrote:
> On 04/13/2018 05:10 PM, Mike Snitzer wrote:
> > On Fri, Apr 13 2018 at 5:22am -0400,
> > Vlastimil Babka <vbabka at suse.cz> wrote:
> >>
> >> Would this perhaps be a good LSF/MM discussion topic? Mikulas, are you
> >> attending, or anyone else that can vouch for your usecase?
> >
> > Any further discussion on SLAB_MINIMIZE_WASTE should continue on list.
> >
> > Mikulas won't be at LSF/MM. But I included Mikulas' dm-bufio changes
> > that no longer depend on this proposed SLAB_MINIMIZE_WASTE (as part of
> > the 4.17 merge window).
>
> Can you or Mikulas briefly summarize how the dependency is avoided, and
This was Mike's misconception - dm-bufio actually needs the
SLAB_MINIMIZE_WASTE patch, otherwise it is wasting memory.
> whether if (something like) SLAB_MINIMIZE_WASTE were implemented, the
> dm-bufio code would happily switch to it, or not?
>
> Thanks,
> Vlastimil
Mikulas
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